add tests

ChatBot.Tests/Configuration/Validators/OllamaSettingsValidatorTests.cs

@@ -0,0 +1,86 @@
+using ChatBot.Models.Configuration;
+using ChatBot.Models.Configuration.Validators;
+using FluentAssertions;
+
+namespace ChatBot.Tests.Configuration.Validators;
+
+public class OllamaSettingsValidatorTests
+{
+    private readonly OllamaSettingsValidator _validator = new();
+
+    [Fact]
+    public void Validate_ShouldReturnSuccess_WhenSettingsAreValid()
+    {
+        // Arrange
+        var settings = new OllamaSettings
+        {
+            Url = "http://localhost:11434",
+            DefaultModel = "llama3.2",
+        };
+
+        // Act
+        var result = _validator.Validate(null, settings);
+
+        // Assert
+        result.Succeeded.Should().BeTrue();
+    }
+
+    [Fact]
+    public void Validate_ShouldReturnFailure_WhenUrlIsEmpty()
+    {
+        // Arrange
+        var settings = new OllamaSettings { Url = "", DefaultModel = "llama3.2" };
+
+        // Act
+        var result = _validator.Validate(null, settings);
+
+        // Assert
+        result.Succeeded.Should().BeFalse();
+        result.Failures.Should().Contain(f => f.Contains("Ollama URL is required"));
+    }
+
+    [Fact]
+    public void Validate_ShouldReturnFailure_WhenUrlIsInvalid()
+    {
+        // Arrange
+        var settings = new OllamaSettings { Url = "invalid-url", DefaultModel = "llama3.2" };
+
+        // Act
+        var result = _validator.Validate(null, settings);
+
+        // Assert
+        result.Succeeded.Should().BeFalse();
+        result.Failures.Should().Contain(f => f.Contains("Invalid Ollama URL format"));
+    }
+
+    [Fact]
+    public void Validate_ShouldReturnFailure_WhenDefaultModelIsEmpty()
+    {
+        // Arrange
+        var settings = new OllamaSettings { Url = "http://localhost:11434", DefaultModel = "" };
+
+        // Act
+        var result = _validator.Validate(null, settings);
+
+        // Assert
+        result.Succeeded.Should().BeFalse();
+        result.Failures.Should().Contain(f => f.Contains("DefaultModel is required"));
+    }
+
+    [Theory]
+    [InlineData(null)]
+    [InlineData("")]
+    [InlineData("   ")]
+    public void Validate_ShouldReturnFailure_WhenUrlIsNullOrWhitespace(string? url)
+    {
+        // Arrange
+        var settings = new OllamaSettings { Url = url!, DefaultModel = "llama3.2" };
+
+        // Act
+        var result = _validator.Validate(null, settings);
+
+        // Assert
+        result.Succeeded.Should().BeFalse();
+        result.Failures.Should().Contain(f => f.Contains("Ollama URL is required"));
+    }
+}